netdata-claim.sh is deprecated

Description:

If /usr/bin/netdata-claim.sh gets executed with proper token and room specification, as explained in the wiki, it will result in this message:

WARNING: This script is deprecated and will be officially unsupported in the near future. Please either use the kickstart script with the appropriate '--claim-*' options, or directly write out the claiming configuration instead.
Netdata Agent is not claimed to Netdata Cloud: Agent is not claimed yet

Additional info:

• package version(s): 2.0.1
• config and/or log files:
• link to upstream bug report, if any:

Steps to reproduce:

1. Start service
2. run netdata-claim.sh
3. see message